20173985210

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2131}}^1\times {\mathrm{2137}}^1$

素因数の和:4718

約数の個数: 32

約数和(自身を含む): 36429262272

約数和(自身を除く): 16255277062

約数列:

[1, 2, 5, 10, 443, 886, 2131, 2137, 2215, 4262, 4274, 4430, 10655, 10685, 21310, 21370, 944033, 946691, 1888066, 1893382, 4553947, 4720165, 4733455, 9107894, 9440330, 9466910, 22769735, 45539470, 2017398521, 4034797042, 10086992605, 20173985210]

約数ペア:

[(1, 20173985210), (2, 10086992605), (5, 4034797042), (10, 2017398521), (443, 45539470), (886, 22769735), (2131, 9466910), (2137, 9440330), (2215, 9107894), (4262, 4733455), (4274, 4720165), (4430, 4553947), (10655, 1893382), (10685, 1888066), (21310, 946691), (21370, 944033)]